Scratch and Crow

Scratch and Crow (1995) is a four-minute, 16mm, animated film made by Helen Hill as her MFA thesis at the California Institute of the Arts. On January 1, 2017, an authorized Helen Hill Vimeo account launched and includes a high-resolution streaming version of the film, with this annotation: "This hand drawn animated film reveals the secret life cycle of chickens, from their hatching by mother cats to their noisy ascent into Heaven. Filmed in 16 mm."

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.